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Finding the Fourth Proportional to 18,253.71, 25,189.08 and 10,295.46

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Solution

The fourth proportional to 18,253.71, 25,189.08 and 10,295.46 is: 14,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.71 : 25,189.08 = 10,295.46 : x
  2. Step 2: Convert to fraction form
    18,253.71/25,189.08 = 10,295.46/x
  3. Step 3: Cross multiply
    18,253.71x = 25,189.08 × 10,295.46
  4. Step 4: Simplify right side
    18,253.71x = 259,333,165.58
  5. Step 5: Solve for x
    x = 259,333,165.58/18,253.71
  6. Step 6: Final answer
    x = 14,207.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.